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11-03-2012, 11:24 PM   #1
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SMC Pentax-DA 17-70mm vs. Sigma 17-70

Any experience using SMC Pentax-DA 17-70mm F4 versus Sigma 17-70?
Is any better than the other in terms of sharpness and colors?
Samples to compare?

11-04-2012, 12:46 AM   #2
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We've got a comparative review of these two (or three!) lenses:

Pentax 17-70mm Lens Comparison - Introduction -

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